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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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USGS 414106087335502 sti-1d

Cook County, Illinois
Hydrologic Unit Code 04040001
Latitude  41°41'06", Longitude  87°33'55" NAD83
Land-surface elevation 590 feet above NGVD29
The depth of the well is 116 feet below land surface.
The depth of the hole is 116 feet below land surface.
This well is completed in the Silurian-Devonian aquifers (N400SLRDVN) national aquifer.
This well is completed in the Niagaran Series (355NIGR) local aquifer.
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Graph of groundwater level data at USGS 414106087335502 sti-1d
Breaks in the plot represent a gap of at least one year between field measurements.
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